<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .top {
            height: 103px;
            width: 970px;
            margin-bottom: 10px;
        }

        .top-left {
            float: left;
            height: 103px;
            width: 277px;
            background: red;
        }

        .top-right-one {
            float: right;
            height: 49px;
            width: 137px;
            margin-bottom: 8px;
            background: green;
        }

        .top-right-two {
            float: right;
            height: 46px;
            width: 679px;
            background: green;
        }

        .middle {
            height: 435px;
            width: 970px;
            margin-bottom: 10px;
        }

        .middle-left {
            float: left;
            height: 435px;
            width: 310px;
            background: yellow;
        }

        .middle-middle {
            margin-left: 10px;
        }

        .middle-middle-1 {
            float: left;
            margin-left: 10px;
            height: 240px;
            width: 450px;
            margin-bottom: 10px;
            background: blue;
        }

        .middle-middle-2 {
            float: left;
            margin-left: 10px;
            height: 110px;
            width: 450px;
            margin-bottom: 10px;
            background: blue;
        }

        .middle-middle-3 {
            float: left;
            margin-left: 10px;
            height: 30px;
            width: 450px;
            margin-bottom: 10px;
            background: blue;
        }

        .middle-right {
            float: right;
            height: 400px;
            width: 190px;
            background: purple;
        }

        .middle-bottom {
            float: right;
            height: 25px;
            width: 650px;
            background: green;


        }

        .bottom {
            width: 970px;
            height: 35px;
            background: blue;
        }
    </style>
</head>

<body>
    <div class="top">
        <div class="top-left"></div>
        <div class="top-right">
            <div class="top-right-one"></div>
            <div class="top-right-two"></div>
        </div>
    </div>
    <div class="middle">
        <div class="middle-left"></div>
        <div class="middle-right"></div>
        <div class="middle-middle">
            <div class="middle-middle-1"></div>
            <div class="middle-middle-2"></div>
            <div class="middle-middle-3"></div>
        </div>

        <div class="middle-bottom"></div>
    </div>
    <div class="bottom"></div>
</body>

</html>